Explain concept of counter bore in radial drilling machine, Mechanical Engineering

Assignment Help:

Explain concept of Counter Bore and countersink in radial drilling machine

Counter Bore :-

This operation uses a pilot to guide the cutting action to accommodate the heads =of bolts. Fig. 10 illustrates the counter boring, countersunk and spot facing processes. 

Countersink:-

Special angled cone shaped enlargement at the end of the hole to accommodate the screws. Cone angles of 60°, 82°, 90°, 100°, 110°, 120°

 


Related Discussions:- Explain concept of counter bore in radial drilling machine

Limitations of gas tungsten arc welding (gtaw), LIMITATIONS OF GAS TUNGSTEN...

LIMITATIONS OF GAS TUNGSTEN ARC WELDING (GTAW) It Produces lower deposition rates than consumable electrode arc welding processes. It Requires slightly more skill as comp

Clearance volume, Clearance Volume ( V C ) : The nominal volume of the c...

Clearance Volume ( V C ) : The nominal volume of the combustion chamber above the piston when it is at the top dead centre is the clearance volume. It is designated as V C an

Cyclone dip tube length calculation., how can we calcute the length of dip ...

how can we calcute the length of dip tube and what are its effects on cyclone efficiency if we change its length

How many types of foundations are there, How many types of Foundations are ...

How many types of Foundations are there Foundations are broadly classified into two types, viz., shallow and deep foundations with respect to  the width (B) and depth (D) below

Angular shear stress.., how is angular shear stress distributed in between ...

how is angular shear stress distributed in between two stanchions

Third service and fourth service, Third Service and Fourth Service ...

Third Service and Fourth Service Prepare a list and explain the mandatory checks to be carried out during third and fourth service of a motorcycle.

Gantry crane, A gantry crane shown in figure above acts an auxiliary to...

A gantry crane shown in figure above acts an auxiliary to bridge cranes. It is provided with wheels and can be moved from open place to another as per requirements.

Autocad help menu-options buttons-coordinate system, AUTOCAD HELP MENU ...

AUTOCAD HELP MENU In this section it will show the Drawing objects its will have some predifined oblects that will help , with some Lectures  notes .It also having options as s

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd